Agents Unknown. Word Search Puzzle Solver. Agents Unknown word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Vietnam 1967: Military intelligence has collapsed Viet Cong have infiltrated the clandestine American spy network and the U.S. can't rely on the South Vietnamese. John Murphy then an elite adviser analyst and operative for the Army CIA and South Vietnamese intelligence services reveals the gray areas of critical on-the-ground intelligence work where trust is hard-won and easily lost. This includes identifying and searching for words that are related to : Documentary, History, John Murphy, War .